Acetylene generating lamp



No. 6|7,04|. Patented Ian. 3, I899.

H. UEHL. AQETYLENE, GENERATING LAMP.

(Application filed Dec. 9. 1897.; (No Model.)

WITNESSES: INVENTOR @M BY MWM ATTORNEYS HENRY OEHL, OF NEW YORK, N. Y.

ACETYLEN E-G EN ERATING LAMP.

SPECIFICATION forming part of Letters Patent No. 617,041, dated January 3, 1899.

Application filed December 9, 1897. Serial No. 661,242. (No modeln To all whom it may concern.-

Be it known that I, HENRY OEHL, a resident of the city, county, and State of New York, have invented certain new and useful Improvements in Acetylene-Lamps, of which the following is a full, clear, and exact description.

My invention relates to lamps which are particularly adapted for burning acetylene gas; and the object of said invention is to produce a simple and efficient lamp for burning acetylene gas and wherein there is no liability of an explosion taking place.

To these ends my invention consists in the novel arrangement and combination of parts hereinafter described and claimed.

In the accompanying drawing the figure is a central vertical sectional view of an acetylene-lamp embodying my invention.

The outer shell or water-containing casing A may be of any desired construction which is provided with the proper water-containing chamber or base. This water-containing easing A is preferably provided with a wateroutlet cook a, from which the surplus water contained in the casing may be withdrawn and the proper water-level be determined. Within the outer shell or casing A is supported a removable cylinder B, which preferably extends from the top to the bottom of the lamp. The cylinder B is supported in place in the outer casing by studs b, projecting from the bottom thereof, soas to allow a free circulation of water to the interior of the cylinder. The cylinder B is likewise provided at its upper closed end with a pipe, which communicates with a burner a, which is controlled by a gas-cock 00. An internal ring 0 projects from the casing A in such a manner as to form a support for the cylinder B when the same is elevated and slightly displaced laterally and to allow of a free circulation of water between said cylinder and the casing when the cylinder is in the lowered position. The cylinder 13 is adapted to receive a spider C at the lower end thereof, which spider is removably secured to the cylinder by a bayonet-joint d or otherwise. From the center of this spider projects an upwardly-extending sleeve or support 6, with which a stem f, con nected with a earbid-support D, is adapted to cooperate to maintain the carbid-support in position. This carbid-support D preferably comprises a grating or spider y, upon which is supported a wire-netting w. The combinedhood and gas-tank E is adapted to be secured to the carbid-support in any suitable manner. In the present instance I have illustrated a yoke g, which is hinged to the carbid-s'upport and is adapted to pass over the top of the hood and thus maintain the hood upon the carbid-support. The hood E is provided with any suitable number of gas-conveying tubes 77., two being shown in the present instance. These gas-conveying tubes extend from near the upper end of the hood E, and are projected to a point below the lower edge thereof, and are adapted to project through openings in the carbid-support and to extend beneath the same. The hood E is of slightly less diameter than the cylinder 13, within which it is supported, so as to form a space between the hood and the cylinder for the free passage of gas, in a manner which will hereinafter be more fully described.

The operation of the lamp hereinbefore described is as follows: The outer water-containing vessel is filled to or above the cook a with Water. The cock is opened and will allow of any water above the intended waterlevel in the casing to flow therefrom. The cock is then closed and a sufficient charge or quantity of car-bid, which is indicated at F, is placed within the hood E. The carbidsupport is next placed in'position with the tubes h extending therethrough, and the yoke g is slipped in place, as illustrated in the drawing, to secure the hood -E to its carbid-support. The stem f is then inserted within the cooperating sleeve e of the spider O, and the hood and carbid-support are secured in place within the cylinder by locking the spider C to the cylinder by means of the bayonet-joint d. The cylinder is then placed within the lamp in a manner represented in the drawing, and the air contained within the cylinder and hood will prevent the water within the casing from reaching contact with the carbid. When, however, the gas-cock 0a is opened, the air is allowed to escape through the burner a, and water is thereby allowed to fiow into the cylinder B and to reach contact with the carbid. A generation of gas then takes place within the hood E, and the gas charging, cleaning, or repairing.

passes from the interior of the hood through the pipes 7t into the water contained within the cylinder B. The tubes h, it will be observed,form a free passage for the gas through the water seal, whereas the lower end of the hood is obstructed by the carbid and the products of decomposition which result from the contact of water therewith and some of which products of decomposition rest upon the foraminous bottom or wire-netting w. WVhen the gas is allowed to escape at the lower end of the pipes 77., it has a tendency to rise, and will pass between the hood E and the cylinder B, and will be received at the upper portion of said cylinder and conveyed to the burner z, where the gas may be ignited. This means of conveying the gas through the water tends to cool the gas before it reaches the point of ignition. Should the generation of gas be in excess of the consumption, no harm can result, since the gas will have a tendency to displace the water contained within the cylinder B and the water forced from the cylinder into the outer containing-casing will be received therein and will merely raise the level of the water in the casing. Should an excessive generation of gas take place, a portion of water being forced from the cylinder B will carry the water-level therein out of contact with the carbid, and further generation of gas is stopped until such time as the pressure in the hood and the upper portion of the cylinder decreases sufficien tly to allow the water to return to its normal level. It

will thus be seen that there is absolutely no danger of an explosion and that the action throughout is automatic. After the lamp has been charged and a generation of gas started a further generation may be stopped by raising the cylinder, together with its carbid-support, so that the lower end of said cylinder will be brought to a point above the projecting ring 0. A slight lateral movement of the cylinder will cause the lower end thereof to bear upon the ring, and will in this manner maintain the cylinder in the elevated position with the carbid out of contact with the water, thereby preventing further generation of gas.

It may be found desirable to make the hood in the nature of a cartridge, wherein a predetermined amount of carbid is contained. It will be understood that this combined hood and gas-tank could be readily made as a cartridge-shell at little expense and placed in the lamp to perform its function in the manner described.

It will also be observed that by my inven-,

tion the entire interior construction of the lamp can be readily removed with the cylinder B, and that the various parts may be readily disconnected for the purpose of re- The simplicity of the construction allows the lamp to be cleaned and the parts to be replaced with but little difficulty.

What I claim, and desire to secure by Letters Patent, is- I 1. In an acetylene-lamp,the combination of a water-containing casing, a removable cylinder supported against movement within said casing,a carbid-support contained within and secured to said cylinder and adapted to be removed therewith, a hood secured to said carbid-support and means for conveying gas below said hood to the burner.

2. In an acetylene-lamp,the combination of a water-containing casin g, a removable cylinder closed at the upper end and supported against movement within said casing, a carbid-support contained within and removably secured to said cylinder, a hood closed at the upper end and removably secured to said carbid-support and means for conveying gas below said hood to the cylinder and from the cylinder to the burner.

3. In an acetylene-lamp,the combination of a water-containing casing, a removable cylinder supported against movement within said casing,a carbid-support contained within said cylinder, a hood contained within the cylinder above the carbid-support and a gas-conveying tube extending from the upper portion of said hood to a point below the normal Water-level and adapted to discharge gas into the water below the hood.

4. In an acetylene-lamp,the combination of a water-containing casing, a cylinder within said casing, a carbid-support contained within said cylinder, a hood contained within the cylinder above the carbid-support, a gas-conveying tube extending from the upper portion of said hood to a point below the carbidsupport, and means for maintaining the hood against movement with relation to the carbid-support.

5. In an acetylene-lamp, the combination of a water-containing casing, a removable cylinder supported against movement within said casing, a carbid support contained within and removably connected to said cylinder, a hood of less diameter than the cylinder contained therein, so as to form a channel for the passage of gas between the hood and cylinder, said hood being removably secured to the carbid-support and adapted to surround the carbid, and a gas-conveying tube carried by and extending from the upper portion of said hood to a point below the carbid-support and below the normal water-level, said tube being adapted to discharge the gas within the cylinder below the hood.

6. In an acetylene-lamp, the combination of a water-containin g casing, a removable cylinder closed at one end and carrying a gasburner, said cylinder being supported within the casing so as to allow of a free circulation of water between the casing and "the cylinder, a carbid-support contained within and removabl y connected with the cylinder, a hood of less diameter than the cylinder contained therein, said hood being secured to the carbid-support and adapted to surround the carbid, means for conveying gas from said hood to the interior of the cylinder and means for conveying gas from said cylinder to the burner.

7. In an acetylene-lamp, the combination of a Water-containing casing, a removable cylinder closed at one end and carrying a gasburner, said cylinder being supported against movement within the casing, so as to allow of a free circulation of water between the casing and the cylinder, a carbid-support contained within and removably connected with the cylinder, a hood of less diameter than the cylinder contained therein, said hood being removably secured to the carbid-support and adapted to surround the carbid, and a gasconveying tube extending from the upper portion of said hood to a point below the normal water-level and below the hood.

8. In an acetylene-lamp, the combination of HENRY OEHL.

Witnesses: I

CHARLES E. SMITH, Gno. E. MORSE. 

